drm/exynos: Use simple encoder

The exynos driver uses empty implementations for its encoders. Replace
the code with the generic simple encoder.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200305155950.2705-4-tzimmermann@suse.de

drivers/gpu/drm/exynos/exynos_dp.c

@@ -25,6 +25,7 @@
 #include <drm/drm_panel.h>
 #include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
 #include <drm/exynos_drm.h>
 
 #include "exynos_drm_crtc.h"
@@ -135,10 +136,6 @@ static const struct drm_encoder_helper_funcs exynos_dp_encoder_helper_funcs = {
 	.disable = exynos_dp_nop,
 };
 
-static const struct drm_encoder_funcs exynos_dp_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
 static int exynos_dp_dt_parse_panel(struct exynos_dp_device *dp)
 {
 	int ret;
@@ -174,8 +171,7 @@ static int exynos_dp_bind(struct device *dev, struct device *master, void *data)
 			return ret;
 	}
 
-	drm_encoder_init(drm_dev, encoder, &exynos_dp_encoder_funcs,
-			 DRM_MODE_ENCODER_TMDS, NULL);
+	drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS);
 
 	drm_encoder_helper_add(encoder, &exynos_dp_encoder_helper_funcs);
 

drivers/gpu/drm/exynos/exynos_drm_dpi.c

@@ -14,6 +14,7 @@
 #include <drm/drm_panel.h>
 #include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
 
 #include <video/of_videomode.h>
 #include <video/videomode.h>
@@ -149,10 +150,6 @@ static const struct drm_encoder_helper_funcs exynos_dpi_encoder_helper_funcs = {
 	.disable = exynos_dpi_disable,
 };
 
-static const struct drm_encoder_funcs exynos_dpi_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
 enum {
 	FIMD_PORT_IN0,
 	FIMD_PORT_IN1,
@@ -201,8 +198,7 @@ int exynos_dpi_bind(struct drm_device *dev, struct drm_encoder *encoder)
 {
 	int ret;
 
-	drm_encoder_init(dev, encoder, &exynos_dpi_encoder_funcs,
-			 DRM_MODE_ENCODER_TMDS, NULL);
+	drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS);
 
 	drm_encoder_helper_add(encoder, &exynos_dpi_encoder_helper_funcs);
 

drivers/gpu/drm/exynos/exynos_drm_dsi.c

@@ -30,6 +30,7 @@
 #include <drm/drm_panel.h>
 #include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
 
 #include "exynos_drm_crtc.h"
 #include "exynos_drm_drv.h"
@@ -1523,10 +1524,6 @@ static const struct drm_encoder_helper_funcs exynos_dsi_encoder_helper_funcs = {
 	.disable = exynos_dsi_disable,
 };
 
-static const struct drm_encoder_funcs exynos_dsi_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
 MODULE_DEVICE_TABLE(of, exynos_dsi_of_match);
 
 static int exynos_dsi_host_attach(struct mipi_dsi_host *host,
@@ -1704,8 +1701,7 @@ static int exynos_dsi_bind(struct device *dev, struct device *master,
 	struct drm_bridge *in_bridge;
 	int ret;
 
-	drm_encoder_init(drm_dev, encoder, &exynos_dsi_encoder_funcs,
-			 DRM_MODE_ENCODER_TMDS, NULL);
+	drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS);
 
 	drm_encoder_helper_add(encoder, &exynos_dsi_encoder_helper_funcs);
 

drivers/gpu/drm/exynos/exynos_drm_vidi.c

@@ -14,6 +14,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_edid.h>
 #include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
 #include <drm/drm_vblank.h>
 #include <drm/exynos_drm.h>
 
@@ -369,10 +370,6 @@ static const struct drm_encoder_helper_funcs exynos_vidi_encoder_helper_funcs =
 	.disable = exynos_vidi_disable,
 };
 
-static const struct drm_encoder_funcs exynos_vidi_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
 static int vidi_bind(struct device *dev, struct device *master, void *data)
 {
 	struct vidi_context *ctx = dev_get_drvdata(dev);
@@ -406,8 +403,7 @@ static int vidi_bind(struct device *dev, struct device *master, void *data)
 		return PTR_ERR(ctx->crtc);
 	}
 
-	drm_encoder_init(drm_dev, encoder, &exynos_vidi_encoder_funcs,
-			 DRM_MODE_ENCODER_TMDS, NULL);
+	drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS);
 
 	drm_encoder_helper_add(encoder, &exynos_vidi_encoder_helper_funcs);
 

drivers/gpu/drm/exynos/exynos_hdmi.c

@@ -38,6 +38,7 @@
 #include <drm/drm_edid.h>
 #include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
 
 #include "exynos_drm_crtc.h"
 #include "regs-hdmi.h"
@@ -1559,10 +1560,6 @@ static const struct drm_encoder_helper_funcs exynos_hdmi_encoder_helper_funcs =
 	.disable	= hdmi_disable,
 };
 
-static const struct drm_encoder_funcs exynos_hdmi_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
 static void hdmi_audio_shutdown(struct device *dev, void *data)
 {
 	struct hdmi_context *hdata = dev_get_drvdata(dev);
@@ -1843,8 +1840,7 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data)
 
 	hdata->phy_clk.enable = hdmiphy_clk_enable;
 
-	drm_encoder_init(drm_dev, encoder, &exynos_hdmi_encoder_funcs,
-			 DRM_MODE_ENCODER_TMDS, NULL);
+	drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS);
 
 	drm_encoder_helper_add(encoder, &exynos_hdmi_encoder_helper_funcs);